K.D. Engineering K.D. Engineering expanded their services to include Indoor Air Quality (IAQ) testing and consulting in 1991 because of a growing demand for standard air quality consulting. Finding that there were no affordable, accurate IAQ instrumentation, KD Engineering started designing IAQ testing units. Their first general purpose IAQ instrument was introduced in December of 1994 (KD 300 ...

Specialized Air Cleaner Service Ltd. provides service, cleaning, parts and expert installation of residential and commercial Electronic Air Cleaners. Authorized factory repair depot for most manufacturers. Air Cleaner Service, Cleaning, Parts and expert installation ...

A leading Canadian air filter manufacturer who prides itself on high quality products, great service and innovation in its field. Duststop specializes in products for the improvement of residential indoor air quality.

Poor indoor air quality (iaq) may be costing your business more than you think, and fixing it probably costs less. Find out how Christopher Collett's experts can help.